Advertisement
(4)
Electronic Signal conditions
Name
Composition
+5V
|OC
SN74LS373
or the equivalent
I K
DATA
1~8
oj—w—ro
Q—
100Q
1000P,]
[EN
+ 5V
2SC1317 or the equivalent
—_—
10K
DSTB
O
Input
+5V
10K
EXPRM
28C1317 or the equivalent
@,
10K
7777
+5V
| K
BUSY
28C1317 or the equivalent
17
+5V
Qutput
ACKNLG
% I K
LB1247 or the equivalent
v
SELECT
e
FAULT
%4-7'(
(5)
Input Signal level
(6)
Output signal level
HIGH
level:
2.4 10 5.0V
HIGH
level:
2.0to 5.0V
LOW level:
0.0 to 0.4V
LOW level:
0.0 to 0.8V
{7)
Input/Output timing chart
Parallel DATA Timing chart
DATA
1~8
1uS (MIN)
-t
}
10uS (MIN)
1 uS (MIN)
0.5u8 (MAX)
BUSY
t
10uS (MAX)
~— = 11 to 14US
ACKNLG
U
Advertisement
